My try at a Really Nice Rebuild Marantz 1060

[Jo775]

They are the Bi-Polar one. It's easyer, but they seem to be great in this recap!


To say what I have heard at each stage:

The binding condos remove the tensions and the "cold side" of the amp when we just turn it on. The definition is significantly improved.

Filtering (the big blue-one): it brings the power reserve which gives the impression to the amp never force whatever the noise level and evenly over the entire band played.

Drivers: they are pushing the noise remarkably and help restoring the finesse in the execution of the notes and smooth bandwidth. The information is more likely, although we hear more details! Thanks to them!

These are in my opinion the more affluent, fast and convincing improvements in the upgrading of the amp.

Finally, chemical (I chose bipolar Nichicon who booming) complete restore softness, transparency and round off the ease of reproducing stamps and nuances. They give a much more significant image stability, and especially a more precise focusing, as it must be confessed, that was a little light and airy, blurred, with the wear of these components. All this very gently!


I just regret a thing: I've kept the original values on P800... Maybe shoud I use the same that you use!

 

[Lavane]

That's the first time I've seen Muse caps used so extensively. :scratch2:

 

[bktheking]

Just for the record, my rebuild didn't use bipolar MUSE caps to replace the ones you replaced, I used FILM caps to replace low value caps that were in circuit. I don't know how this will play out in your 1060 as the circuit wasn't design for BP everywhere you installed them. It will be interesting to see what happens over time.

 

[EchoWars]

Bipolar caps have a lot of disadvantages over polar caps...which is why they are used only in situations where they are necessary.

 

[hirscwi]

Could you elaborate on that statement? It has been my opinion that it's not good to replace a polarized cap with a bipolar one. I posted such a comment a while back - and someone jumped down my throat. Their view was that a bipolar cap was two polarized caps back-to-back (which I think is correct) and that they would work just fine in place of a polarized cap. It would be helpful to know why they don't work as well in situations where a polarized cap can be found. Thanks.

Bipolar caps have a lot of disadvantages over polar caps...which is why they are used only in situations where they are necessary.

 

[EchoWars]

Higher leakage current, higher ESR, shorter lifespan, larger physical size, limited electrical sizes... There's more.

You were correct in your assumptions before. In a few instances it may be desirable to replace a polar with a non-polar, but in general it's not something that should be done. Not that the equipment won't function...it may function just fine, but it's far from ideal.

 

[Jo775]

Thanks, Echowar, for explanation. I tought It was less ESR and longuer Life Time. Bad news for my first recap... Do you mean that troubles Will appear? Since I've done, only good music sounds... But I ask if I shall recap with polar one on the non-audio way...

 

[EchoWars]

Might be a project for you somewhere down the line, but if things seem to be working well I see no hurry to rush back in.

 

[Jo775]

I confirm that my amp is playing every day for more than 2 months day & night. It was my choise using only BP caps. Because i've read that some high-end fixtures use those ones, which represent an excellent solution to the problems of bias and distortions associated with it... I don't believe everything but I've never read anywhere any indications against...

I asked myself if it will cause damages... But no answer anywhere. I asked if there will be current between each electronic board that will disturb...

The only negative answer I had was that 10000uF was to big end may hurt the Chocs or diodes. A good answer by MP was made to me... And I don't regret anything for the moment!

Many Thanks and nice day to everyone! And sorry to speak about my Marantz on Bktheking's book!

 

[hirscwi]

Thanks for the information. It makes sense that they would be less suited than the polarized ones.

Higher leakage current, higher ESR, shorter lifespan, larger physical size, limited electrical sizes... There's more.

You were correct in your assumptions before. In a few instances it may be desirable to replace a polar with a non-polar, but in general it's not something that should be done. Not that the equipment won't function...it may function just fine, but it's far from ideal.

 

[bktheking]

No apology needed , whatever works for you is fine. I just wanted to point out that np caps were not chosen in my rebuild.